syzkaller login: [ 45.843696] ------------[ cut here ]------------ [ 45.844637] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.846650] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 45.848115] Modules linked in: [ 45.848755] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.850775] Tainted: [W]=WARN [ 45.851372] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.852849] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.853777] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 45.856963] RSP: 0018:ffff88800f397bc0 EFLAGS: 00010286 [ 45.857959] RAX: 0000000000000000 RBX: ffffed1001e72f78 RCX: ffffffff813a4050 [ 45.859251] RDX: ffff888015e81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.860534] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e72f2f [ 45.861828] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.863115] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f397df8 [ 45.864383] FS: 00007f0c24f59900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.865840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.866894] CR2: 00007ffca191cef7 CR3: 000000000f6de000 CR4: 0000000000350ef0 [ 45.868171] Call Trace: [ 45.868670] [ 45.869087] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.870115] ? __create_object+0x59/0x80 [ 45.870916] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.871895] __vmalloc_noprof+0x59/0x60 [ 45.872645] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.873503] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.874426] bpf_prog_alloc+0x39/0x200 [ 45.875104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.876009] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.876902] do_seccomp+0x349/0x25e0 [ 45.877604] ? find_held_lock+0x2b/0x80 [ 45.878395] ? do_prlimit+0x310/0x610 [ 45.879076] ? __pfx_do_seccomp+0x10/0x10 [ 45.879837] ? do_raw_spin_unlock+0x53/0x220 [ 45.880663] ? _raw_spin_unlock+0x1e/0x40 [ 45.881429] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.882383] ? static_key_count+0x60/0x80 [ 45.883123] prctl_set_seccomp+0x4e/0x70 [ 45.883887] __do_sys_prctl+0xe6c/0x1d70 [ 45.884649] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.885484] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.886456] ? irqentry_exit+0xf3/0x650 [ 45.887166] do_syscall_64+0xbf/0x430 [ 45.887888] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.888815] RIP: 0033:0x7f0c2544b5cd [ 45.889503] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 45.892605] RSP: 002b:00007ffca191b230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.893970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c2544b5cd [ 45.895233] RDX: 0000562340e92e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.896484] RBP: 00007ffca191b290 R08: 0000000000000000 R09: 00007ffca191a930 [ 45.897747] R10: 0000000000000000 R11: 0000000000000246 R12: 000056237d37d240 [ 45.899007] R13: 00007ffca191b6c0 R14: 000056237d386380 R15: 000056237d391540 [ 45.900294] [ 45.900742] irq event stamp: 1737 [ 45.901372] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 45.902905] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 45.904415] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 45.905949] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 45.907454] ---[ end trace 0000000000000000 ]--- [ 48.714752] ------------[ cut here ]------------ [ 48.715651] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.717597] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 48.719061] Modules linked in: [ 48.719695] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.721896] Tainted: [W]=WARN [ 48.722554] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.724014] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.724920] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 48.728044] RSP: 0018:ffff88800e667bc0 EFLAGS: 00010286 [ 48.728995] RAX: 0000000000000000 RBX: ffffed1001cccf78 RCX: ffffffff813a4050 [ 48.730259] RDX: ffff8880170b0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.731507] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001cccf2f [ 48.732762] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.734028] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e667df8 [ 48.735287] FS: 00007f623627f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.736682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.737714] CR2: 00007ffd0e5ddef7 CR3: 000000000d2e2000 CR4: 0000000000350ef0 [ 48.738985] Call Trace: [ 48.739493] [ 48.739893] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.740775] ? __create_object+0x59/0x80 [ 48.741546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.742511] __vmalloc_noprof+0x59/0x60 [ 48.743213] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.744074] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.744972] bpf_prog_alloc+0x39/0x200 [ 48.745697] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.746633] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.747536] do_seccomp+0x349/0x25e0 [ 48.748198] ? find_held_lock+0x2b/0x80 [ 48.748947] ? do_prlimit+0x310/0x610 [ 48.749682] ? __pfx_do_seccomp+0x10/0x10 [ 48.750464] ? do_raw_spin_unlock+0x53/0x220 [ 48.751236] ? _raw_spin_unlock+0x1e/0x40 [ 48.752003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.752952] ? static_key_count+0x60/0x80 [ 48.753764] prctl_set_seccomp+0x4e/0x70 [ 48.754521] __do_sys_prctl+0xe6c/0x1d70 [ 48.755234] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.756074] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.757019] ? irqentry_exit+0xf3/0x650 [ 48.757770] do_syscall_64+0xbf/0x430 [ 48.758522] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.759455] RIP: 0033:0x7f62367715cd [ 48.760103] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 48.763226] RSP: 002b:00007ffd0e5dc1a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.764536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62367715cd [ 48.765807] RDX: 000055adcd821e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.767064] RBP: 00007ffd0e5dc200 R08: 0000000000000000 R09: 00007ffd0e5db8a0 [ 48.768326] R10: 0000000000000000 R11: 0000000000000246 R12: 000055addb42d2b0 [ 48.769591] R13: 00007ffd0e5dc630 R14: 000055addb42fd20 R15: 000055addb4418d0 [ 48.770864] [ 48.771281] irq event stamp: 1937 [ 48.771910] hardirqs last enabled at (1947): [] __up_console_sem+0x78/0x80 [ 48.773404] hardirqs last disabled at (1956): [] __up_console_sem+0x5d/0x80 [ 48.774901] softirqs last enabled at (1830): [] handle_softirqs+0x50c/0x770 [ 48.776407] softirqs last disabled at (1825): [] __irq_exit_rcu+0xc4/0x100 [ 48.777915] ---[ end trace 0000000000000000 ]--- [ 49.497093] ------------[ cut here ]------------ [ 49.497892] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.499564] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 49.500774] Modules linked in: [ 49.501273] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.502960] Tainted: [W]=WARN [ 49.503452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.504686] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.505451] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.508891] RSP: 0018:ffff88800f26fbc0 EFLAGS: 00010286 [ 49.509828] RAX: 0000000000000000 RBX: ffffed1001e4df78 RCX: ffffffff813a4050 [ 49.510912] RDX: ffff8880137a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.511985] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4df2f [ 49.513070] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.514153] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f26fdf8 [ 49.515232] FS: 00007fe7ea272900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.516438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.517293] CR2: 00007fe7ea764580 CR3: 000000001fbe5000 CR4: 0000000000350ef0 [ 49.518392] Call Trace: [ 49.518785] [ 49.519120] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.519872] ? __create_object+0x59/0x80 [ 49.520530] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.521303] __vmalloc_noprof+0x59/0x60 [ 49.521958] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.522681] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.523456] bpf_prog_alloc+0x39/0x200 [ 49.524031] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.524795] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.525542] do_seccomp+0x349/0x25e0 [ 49.526114] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.526856] ? __pfx_do_seccomp+0x10/0x10 [ 49.527509] ? find_held_lock+0x2b/0x80 [ 49.528101] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.528896] ? static_key_count+0x60/0x80 [ 49.529570] prctl_set_seccomp+0x4e/0x70 [ 49.530180] __do_sys_prctl+0xe6c/0x1d70 [ 49.530828] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.531536] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.532290] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.533097] ? irqentry_exit+0xf3/0x650 [ 49.533738] do_syscall_64+0xbf/0x430 [ 49.534317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.535107] RIP: 0033:0x7fe7ea7645cd [ 49.535696] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.538341] RSP: 002b:00007fff118acbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.539562] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7ea7645cd [ 49.540639] RDX: 00005635184c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.541701] RBP: 00007fff118acc10 R08: 0000000000000000 R09: 00007fff118ac2b0 [ 49.542770] R10: 0000000000000000 R11: 0000000000000246 R12: 000056353e09eb10 [ 49.543832] R13: 00007fff118ad040 R14: 000056353e09f2b0 R15: 000056353e0b36f0 [ 49.544906] [ 49.545258] irq event stamp: 1779 [ 49.545814] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 49.547075] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 49.548338] softirqs last enabled at (1792): [] handle_softirqs+0x50c/0x770 [ 49.549608] softirqs last disabled at (1787): [] __irq_exit_rcu+0xc4/0x100 [ 49.550872] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1446' (ECDSA) to the list of known hosts. 2025/11/18 21:05:18 fuzzer started 2025/11/18 21:05:19 dialing manager at localhost:34383 2025/11/18 21:05:19 checking machine... 2025/11/18 21:05:19 checking revisions... [ 50.631570] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:05:19 testing simple program... [ 50.716946] cgroup: Unknown subsys name 'net' [ 50.789224] cgroup: Unknown subsys name 'cpuset' [ 50.802494] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:05:18 Registers: info registers vcpu 0 RAX=ffffffff83c6e2e5 RBX=ffffffff868fa4bc RCX=ffffffff83c6e2e0 RDX=0000000000000000 RSI=ffffffff86d7701e RDI=ffffffff868fa4b0 RBP=ffffffff868fa4bc RSP=ffff888016e97568 R8 =ffffffff86d7701e R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a7c5 R12=ffffffff868fa4b8 R13=ffffffff868fa4b0 R14=ffffffff868fa4b8 R15=dffffc0000000000 RIP=ffffffff8135dacf RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f623627f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0e5d4fe8 CR3=000000001fae6000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000233ef RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f440deaf000 CR3=000000000b823000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=c5c6a513715a1d859d40872fb389617b XMM02=2c67c8bc2e329bc30000000000305c28 XMM03=fb795ef6d657705600000000003112f0 XMM04=10c92553b719d26600000000000ae988 XMM05=0394861f14684e590000000000321340 XMM06=4bf734665a7c625e000000000031b1b8 XMM07=e042d86d42eb936e0000000000312440 XMM08=16c5a8b302dff4760000000000305c88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000